[Elecraft] K3 / P3 with SteppIR

[Mike K2MK]

Hi Larry,

One leg of the Y cable attaches to the SDA100.  The other leg of the Y cable
attaches to the PC connection on the back of the P3. Then the separate RS232
cable supplied with the P3 goes between the XCVR connection on the P3 and
the RS232 connection on the K3.

73,
Mike K2MK


Larry Gerhardstein wrote
> I have a K3 / P3 / SteppIR SDA100.  Everything is set to 38400 baud.  I 
> have connected a Y-cable to the RS232 connection on the K3.  One side of 
> the Y is connected to the SteppIR controller with a null modem inserted 
> (as directed by SteppIR instructions).  The other side is connected to 
> the XCVR connection on the P3.  Both work, but not at the same time.  
> Unplugging one of the Y connections makes the other work, and visa 
> versa.  Any ideas?  Perhaps there is a special & splitter that will 
> provide the necessary isolation??  Or perhaps I need to orient the Y a 
> different way??
> 
> Larry W7IN





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